The production-testing tag has no wiki summary.
2
votes
3answers
107 views
How to design contact pins for testing SMD board? Only optical inspection possible testing technique?
The point 6.56 and the Teensy's testing are examples about testing, also the pictures below. Now suppose you want to do a SMD board to the size of fingerprint or smaller. The earlier video mentioned ...
11
votes
2answers
172 views
Low volume PCB assembly testing
I've ordered fabrication and assembly of small PCB batches (~100) a couple of times already. Each time, the assembly factory asked me if I wanted to do testing on the boards. Since I'm not a ...
2
votes
1answer
56 views
Embedded board level functional test at factory
My embedded project has a GSM and a GPS module. What is the best way to test the radios of these modules after the production of CCA like in a factory conditions.I was thinking of signal generators ...
0
votes
1answer
128 views
Testing plan for flat flexible cable (FFC) connector
I'm taking an assembly of three boards to a small production run. There's a main board (n=25) and a satellite sensor board (n=100). The sensor board connects to an adapter board, which simply ...
1
vote
2answers
216 views
how to use a spectrum analyzer?
This is a new topic to me so it would be great if someone could give me a few pointers. I have an amplifier that I would like to get the frequency response for and a spectrum analyser with Probes A, ...
7
votes
3answers
194 views
Production testing, design-for-test, test points, and other techniques
I have been working with some board layouts that include a test point for every net on the circuit (or close to it). This lead me to a search for other topics about test points and general ...
5
votes
2answers
402 views
Testing an FTDI chip
I have an FTDI chip (reference manual here) that translates USB from a PC to an SPI channel connected to an FPGA. I would like to test that the communication path between the PC and the FPGA is ...
6
votes
5answers
334 views
How do we test reliability and quality so as to minimize the risk of board failure in the field?
We are developing a smart cable for a customer. The market potential is hundreds of thousands of units. The vendor who designs and supplies the boards (with firmware) that will be built into the ...
0
votes
3answers
282 views
Ideal serial communications test?
I'm working on a new customized motor controller system I've inherited. The system has a heirarchy of controllers - a PC communicates to an RS-485 serial bus of one level of controllers, and each one ...
3
votes
2answers
320 views
Electronic product test plan/scripts…how to go about writing them?
I'm testing an electronics toy product. Any advice on writing test plans and test scripts.
I'm thinking along the lines of listing user actions:
for normal input/response
that are suppose to cause ...
0
votes
1answer
242 views
Testing an Ethernet peripheral
I have an Ethernet peripheral (manual here) controlled by an STM32. I have to test that the Ethernet peripheral works correctly right after the board is manufactured. Conveniently, there are three ...
2
votes
2answers
163 views
What to look in a desktop/small DC Power Supply?
I'm looking for the most adequate power supply that can go between ~0-30v and ~0-5A. These are going to be used for software development for automotive infotainment systems and the operation specs for ...
0
votes
3answers
86 views
Board components that are sensitive to soldering heat
I have to test the various components of a board after manufacturing. I was told that SRAM, for example, is particularly sensitive to the soldering heat. What are other sensitive components?
The ...
1
vote
1answer
215 views
Testing the integrity of SRAM
I am testing a board that has external SRAM. Apparently the SRAM is relatively sensitive to the soldering heat from the manufacturing process, and so careful testing must be done to check integrity of ...
1
vote
1answer
367 views
test automation framework/softwares for hardware applications
I am an Electrical engineer so my background on software testing is limited.My application is not a software testing issue.I need to develop a software package in python to interact with a RF ...
1
vote
2answers
152 views
How to make a voltage testing circuit
I want to make a very cheap tester that I could use on cables that are used in the field at my company. We usually use multimeters but not everyone knows how to use one. It would basically be like a ...
9
votes
2answers
1k views
How do you determine if a new microcontroller is defective?
I've never dealt with parts being defective strait from digikey, but 3 new Atmel ATmega164A's that I've received have been exhibiting extremely odd behaviour.
I narrowed it down to something to do ...
9
votes
7answers
2k views
How to measure gigaohm resistors?
I've got an issue that appears to be caused by damaged resistors that are either open circuited or of too low a value due to contamination. The problem is that they're gigaohm resistors, so to a ...
4
votes
4answers
531 views
How to use Arduino board to automate testing
ok here goes,
Iam trying to build a device to test nurse call room controllers, these are basically 8 port boards with rs485 linking (have software for this,
what i need to do is test these, to do ...
5
votes
3answers
274 views
Boundary scan developer and testing tools
I have to choose a tool for production testing of fairly dense PCB's with 4+ FPGAs 10+ DSPs, ethernet controllers and PCI controllers.. Does anyone have any experience with any of the tools available ...
